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CVE-2020-11684
AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less…
Critical9.1EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
Affected products
n/a
- affected n/a
References (2)
- https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927 (opens in a new tab)x_refsource_MISCx_transferred
- https://labs.f-secure.com/advisories/microchip-at91bootstrap/ (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .